Dark Matter vs Dark Energy - Leonard Susskind

Description: Complete video at: fora.tv Stanford University physicist Leonard Susskind differentiates the theoretical concept of "dark matter" from its somewhat more controversial cousin, "dark energy." ----- Recognizing a contradiction in Stephen Hawking's claim that things disappear in black holes, Susskind and Gerard t'Hooft offered a counterargument aimed at disproving this controversial theory. Susskind discusses the story behind the black hole conflict and how it has led to a better idea of how our universe works - The Commonwealth Club of California Leonard Susskind is a theoretical physics professor at Stanford University in the field of string theory and quantum field theory. Susskind is widely regarded as one of the fathers of string theory for his early contributions to the String Theory model of particle physics.